Home / 12,008.32-16,570.79-6,703.47

Finding the Fourth Proportional to 12,008.32, 16,570.79 and 6,703.47

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Solution

The fourth proportional to 12,008.32, 16,570.79 and 6,703.47 is: 9,250.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,008.32 : 16,570.79 = 6,703.47 : x
  2. Step 2: Convert to fraction form
    12,008.32/16,570.79 = 6,703.47/x
  3. Step 3: Cross multiply
    12,008.32x = 16,570.79 × 6,703.47
  4. Step 4: Simplify right side
    12,008.32x = 111,081,831.11
  5. Step 5: Solve for x
    x = 111,081,831.11/12,008.32
  6. Step 6: Final answer
    x = 9,250.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.